Finding the Fourth Proportional to 461,777,759.70, 637,316,707.50 and 283,130,045.76
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Solution
The fourth proportional to 461,777,759.70, 637,316,707.50 and 283,130,045.76 is: 390,758,335.09
Step by Step Solution
- Step 1: Write the proportion equation
461,777,759.70 : 637,316,707.50 = 283,130,045.76 : x - Step 2: Convert to fraction form
461,777,759.70/637,316,707.50 = 283,130,045.76/x - Step 3: Cross multiply
461,777,759.70x = 637,316,707.50 × 283,130,045.76 - Step 4: Simplify right side
461,777,759.70x = 180,443,508,560,477,472 - Step 5: Solve for x
x = 180,443,508,560,477,472/461,777,759.70 - Step 6: Final answer
x = 390,758,335.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.